Apollon Uni
The Triton (prologue) (as Uni Apollon)
Álex Nova
Don Esteban Ferragut (prologue) (as Alex Nova)
Kada-Abd-el-Kader
Don Esteban's Son - Ulysses (prologue)
Hughie Mack
Caragol (prologue)
Alice Terry
Freya Talberg
Antonio Moreno
Ulysses Ferragut
Mademoiselle Kithnou
Ferragut's Wife - Dona Cinta (as Mle. Kithnou)
Mickey Brantford
Ferragut's Son - Esteban (as Michael Brantford)
Rosita Ramírez
Ferragut's Niece - Pepita
Frédéric Mariotti
Toni - the Mate (as Fredrick Mariotti)
Madame Pâquerette
Doctor Fedelmann (as Mme. Paquerette)
Fernand Mailly
Count Kaledine
Andrews Engelmann
Submarine Commander (as André von Engelman)
John George
Servant (uncredited)
Rex Ingram
Director
Willis Goldbeck
Writer
Vicente Blasco Ibáñez
Novel
John F. Seitz
Director of Photography
Grant Whytock
Editor
Ben Carré
Art Direction
John Birkel
Producer
Joseph Boyle
Producer
Rex Ingram
Producer
Harry Lachman
Producer
Walter Pallman
Producer
George Noffka
Executive Producer
Joseph Boyle
Production Manager
Giuseppe Amato
Assistant Director
Joseph Boyle
Assistant Director